package com.aop;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.springframework.stereotype.Component;

@Aspect
@Component
public class AnnoAdvice {
    @Pointcut("execution( * com.dao.impl.UserDaoImpl.*(..))")
    public void poincut() {
    }
    @Before("poincut()")
    public void before(JoinPoint joinPoint){
        System.out.println("这是前置通知");
        System.out.println("目标类是:"+joinPoint.getTarget());
        System.out.println(",被织入增加处理的目标方法为: "+joinPoint.getSignature().getName());
    }
    @AfterReturning("poincut()")
    public void afterReturning(JoinPoint joinPoint){
        System.out.println("这是返回通知");
        System.out.println(",被织入增加处理的目标方法为: "+joinPoint.getSignature().getName());
    }
    @Around("poincut()")
    public Object around(ProceedingJoinPoint point) throws Throwable{
        System.out.println("这是环绕通知之前的部分");
        Object object = point.proceed();
        System.out.println("这是环绕通知之后的部分");
        return object;
    }
    @AfterThrowing("poincut()")
    public void afterException(){
        System.out.println("异常通知");
    }
    @After("poincut()")
    public void after(){
        System.out.println("这是后置通知");
    }
}
